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Saudi J Biol Sci. 2019 Nov;26(7):1789-1794. doi: 10.1016/j.sjbs.2018.04.001. Epub 2018 Apr 12.

Synthesis of eco-friendly silver nanoparticles using Allium sp. and their antimicrobial potential on selected vaginal bacteria.

Author information

1
Taibah University, Faculty of Science, Biology Department, P.O. Box 25233, Almadinah Almunawwarah, Saudi Arabia.
2
Alexandria University, Faculty of Science, Botany and Microbiology Department, P.O. Box 21511, Alexandria, Egypt.
3
Stockton University, School of Natural Sciences and Mathematics, Biology department, Galloway, NJ 08205-9441, USA.
4
New Jersey Institute of Technology, Biological Sciences Department, Albert Dorman Honors College, Newark, NJ 07102, USA.

Abstract

Allium cepa and garlic Allium sativa plants were used to evaluate their potential synthesis of silver nanoparticles and their antibacterial effect on Streptococcus pneumoniae and Pseudomonas aeruginosa. Transmission electron microscopy (SEM) was used to distinguish the morphology of the nanoparticles attained from plant extracts. Energy dispersive X-ray (EDX) spectrometer established the existence of elemental sign of the silver and homogenous allocation of silver nanoparticles. Diffraction by using X ray (XRD) analysis for the formed AgNPs revealed spherical plus cubical shapes structure with different planes ranged between 111 and 311 planes. The antibacterial action of AgNPs against vaginal pathogens, Streptococcus pneumoniae and Pseudomonas aeruginosa was recognized. Our work showed a rapid, eco-safety and suitable method for the synthesis of AgNPs from Allium cepa and garlic Allium sativa extracts and can be used in biomedical applications.

KEYWORDS:

Allium sp; EDX; Nano biotechnology; SEM; Vaginal bacteria

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